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5 Written questions

5 Matching questions

  1. myocardium
  2. prevent bubble formation as blood flows rapidly and turbulently through the ventricles
  3. from the superior,inferior vena cavas, and coronary sinus into the right atrium, through the tricuspid and into the right ventricle, through the pulmonary valve, into the pumonary trunk, into the pulmonary arteries and into the lungs. oxygenated blood from the lungs passes through the pulmonary veins into the left atrium, through the mitral valve and into the left ventricle, through the aortic valve and into the ascending aorta
  4. right ventricle
  5. causes an increased risk of blood clot formation which can pass into the lungs or into the brain
  1. a describe the flow of blood throught the heart
  2. b most of the anterior heart surface is composed of which heart chamber
  3. c what is the function of trabeculae carnae
  4. d which wall of the heart is the thickest
  5. e briefly explain the clinical significance of stagnant blood flow in the auricles

5 Multiple choice questions

  1. list the 3 aortic arch vessels
  2. what medical procedure is employed to relieve a cardiac tamponade
  3. raided muscle bundles in the anterior wall of the right atrium and the left and right auricles
  4. what is the only area of the ventricles that does not have trabeculae carnae
  5. name the 2 av valves

5 True/False questions

  1. limits movement of the heart within the mediastinumwhat is the only area of the ventricles that does not have trabeculae carnae


  2. to insure one way blood flowthis is an electrical short cut that conducts myocardial action potentials rapidly fron the inter ventricular septum to the papilllary muscles on the lateral side of the right ventricle


  3. the tricuspid and mitral valves close when the blood pressure within the ventricles exceeds blood pressure within the atriabriefly describe the mechanism of AV valve closure


  4. the pulmonic valve closes when the blood pressure within the pulmonary trunk exceeds blood pressure within the right ventricle. the aortic valve closes when the bp within the aorta exceeds the bp within the left ventriclebriefly describe the mechanism of semilunar valve closure


  5. composed of three cusps/leaflets, allows passive blood flow from right atrium to right ventricle, and prevents retrograde blood flow into the right atriumbriefly describe the mitral valve